protective covering保护: protect; defend; guard; safe ...复: repeated; double; duplicate盖: a surname复盖: coverage; covering; draping; mask; mulching; shade; sheathe; sheeting; skin; smother; span被……复盖: be covered with下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:保护复盖，即可在微信中查询翻译
